{"id":1601,"date":"2026-01-27T00:34:45","date_gmt":"2026-01-26T17:34:45","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/khi-nao-nen-dung-inox-201-trong-nha-de-toi-uu-chi-phi\/"},"modified":"2026-01-27T00:34:45","modified_gmt":"2026-01-26T17:34:45","slug":"khi-nao-nen-dung-inox-201-trong-nha-de-toi-uu-chi-phi","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/khi-nao-nen-dung-inox-201-trong-nha-de-toi-uu-chi-phi\/","title":{"rendered":"Khi n\u00e0o n\u00ean d\u00f9ng Inox 201 trong nh\u00e0 \u0111\u1ec3 t\u1ed1i \u01b0u chi ph\u00ed?"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-inox-201-la-gi-tinh-chat-va-so-sanh-nhanh-voi-3044\">Inox 201 l\u00e0 g\u00ec? T\u00ednh ch\u1ea5t v\u00e0 so s\u00e1nh nhanh v\u1edbi 304\/430<\/a><\/li>\n<li><a href=\"#toc-1-5-tieu-chi-moi-truong-trong-nha-de-quyet-dinh-co-t\">5 ti\u00eau ch\u00ed m\u00f4i tr\u01b0\u1eddng trong nh\u00e0 \u0111\u1ec3 quy\u1ebft \u0111\u1ecbnh c\u00f3 th\u1ec3 d\u00f9ng inox 201<\/a><\/li>\n<li><a href=\"#toc-2-ung-dung-nen-dung-va-khong-nen-dung-inox-201-trong\">\u1ee8ng d\u1ee5ng n\u00ean d\u00f9ng v\u00e0 kh\u00f4ng n\u00ean d\u00f9ng inox 201 trong nh\u00e0<\/a><\/li>\n<li><a href=\"#toc-3-so-sanh-chi-phi-vong-doi-201-vs-304-vs-430-trong-n\">So s\u00e1nh chi ph\u00ed v\u00f2ng \u0111\u1eddi: 201 vs 304 vs 430 (trong nh\u00e0)<\/a><\/li>\n<li><a href=\"#toc-4-chon-vat-lieu-va-thi-cong-de-inox-201-ben-hon\">Ch\u1ecdn v\u1eadt li\u1ec7u v\u00e0 thi c\u00f4ng \u0111\u1ec3 inox 201 b\u1ec1n h\u01a1n<\/a><\/li>\n<li><a href=\"#toc-5-quy-trinh-ra-quyet-dinh-nhanh-co-nen-dung-inox-201\">Quy tr\u00ecnh ra quy\u1ebft \u0111\u1ecbnh nhanh: C\u00f3 n\u00ean d\u00f9ng inox 201 trong nh\u00e0?<\/a><\/li>\n<li><a href=\"#toc-6-tinh-huong-tham-khao-thuc-te-viet-nam\">T\u00ecnh hu\u1ed1ng tham kh\u1ea3o (th\u1ef1c t\u1ebf Vi\u1ec7t Nam)<\/a><\/li>\n<li><a href=\"#toc-7-cau-hoi-thuong-gap\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/a><\/li>\n<li><a href=\"#toc-8-nguon-tham-khao\">Ngu\u1ed3n tham kh\u1ea3o<\/a><\/li>\n<li><a href=\"#toc-9-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Inox 201 c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed so v\u1edbi 304, nh\u01b0ng kh\u00f4ng ph\u1ea3i \u1edf \u0111\u00e2u trong nh\u00e0 c\u0169ng ph\u00f9 h\u1ee3p. B\u00e0i vi\u1ebft n\u00e0y \u0111\u01b0a ra ti\u00eau ch\u00ed \u0111\u00e1nh gi\u00e1 m\u00f4i tr\u01b0\u1eddng trong nh\u00e0, c\u00e1c \u1ee9ng d\u1ee5ng n\u00ean d\u00f9ng\/kh\u00f4ng n\u00ean d\u00f9ng, so s\u00e1nh v\u1edbi 304\/430 v\u00e0 h\u01b0\u1edbng d\u1eabn thi c\u00f4ng\u2013b\u1ea3o tr\u00ec \u0111\u1ec3 b\u1ea1n quy\u1ebft \u0111\u1ecbnh ch\u00ednh x\u00e1c khi n\u00e0o c\u00f3 th\u1ec3 d\u00f9ng inox 201 m\u00e0 v\u1eabn b\u1ec1n, \u0111\u1eb9p v\u00e0 an to\u00e0n.<\/p>\n<h2 id=\"toc-0-inox-201-la-gi-tinh-chat-va-so-sanh-nhanh-voi-3044\">Inox 201 l\u00e0 g\u00ec? T\u00ednh ch\u1ea5t v\u00e0 so s\u00e1nh nhanh v\u1edbi 304\/430<\/h2>\n<p>&#8211; Kh\u00e1i qu\u00e1t: Inox 201 l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 austenitic thu\u1ed9c nh\u00f3m Cr\u2013Mn\u2013N (th\u1ea5p Ni), th\u01b0\u1eddng theo ASTM A240\/A666 ho\u1eb7c JIS SUS201. Th\u00e0nh ph\u1ea7n \u0111i\u1ec3n h\u00ecnh: Cr ~16\u201318%, Ni ~3.5\u20135.5%, Mn ~5.5\u20137.5%, N t\u1edbi ~0.25% (t\u00f9y m\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t). Inox 201 gi\u1eef b\u1ec1 m\u1eb7t s\u00e1ng, d\u1ec5 t\u1ea1o h\u00ecnh, gi\u00e1 th\u1ea5p h\u01a1n 304 nh\u1edd gi\u1ea3m Ni v\u00e0 t\u0103ng Mn\/N.<br \/>\n&#8211; Ch\u1ed1ng \u0103n m\u00f2n: Th\u1ea5p h\u01a1n 304, cao h\u01a1n 430 trong \u0111a s\u1ed1 m\u00f4i tr\u01b0\u1eddng nh\u1eb9. Ch\u1ec9 ph\u00f9 h\u1ee3p m\u00f4i tr\u01b0\u1eddng kh\u00f4, \u00edt clorua v\u00e0 h\u00f3a ch\u1ea5t.<br \/>\n&#8211; T\u1eeb t\u00ednh: L\u00e0 austenitic n\u00ean v\u1ec1 l\u00fd thuy\u1ebft kh\u00f4ng t\u1eeb, nh\u01b0ng sau gia c\u00f4ng ngu\u1ed9i c\u00f3 th\u1ec3 h\u01a1i h\u00fat nam ch\u00e2m. V\u00ec v\u1eady kh\u00f4ng n\u00ean d\u00f9ng nam ch\u00e2m \u0111\u1ec3 \u201cph\u00e2n bi\u1ec7t th\u1eadt\u2013gi\u1ea3\u201d.<br \/>\n&#8211; So s\u00e1nh nhanh:<br \/>\n  &#8211; V\u1edbi 304: 304 (18Cr\u20138Ni) ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t h\u01a1n r\u00f5 r\u1ec7t trong m\u00f4i tr\u01b0\u1eddng \u1ea9m, c\u00f3 mu\u1ed1i, axit nh\u1eb9; \u0111\u01b0\u1ee3c m\u1eb7c \u0111\u1ecbnh cho b\u1ebfp, thi\u1ebft b\u1ecb th\u1ef1c ph\u1ea9m. 201 r\u1ebb h\u01a1n 10\u201325% t\u00f9y th\u1eddi \u0111i\u1ec3m th\u1ecb tr\u01b0\u1eddng nh\u01b0ng ch\u1ecbu \u0111\u1ef1ng clorua k\u00e9m h\u01a1n.<br \/>\n  &#8211; V\u1edbi 430: 430 (ferritic, 16\u201318% Cr, g\u1ea7n nh\u01b0 0% Ni) r\u1ebb nh\u1ea5t, t\u1eeb t\u00ednh m\u1ea1nh, ch\u1ed1ng \u0103n m\u00f2n k\u00e9m nh\u1ea5t; d\u1ec5 \u1ed1 v\u00e0 r\u1ec9 trong \u1ea9m \u01b0\u1edbt. 201 l\u00e0 l\u1ef1a ch\u1ecdn trung gian: b\u1ec1n h\u01a1n 430, r\u1ebb h\u01a1n 304.<\/p>\n<p>G\u1ee3i \u00fd k\u1ef9 thu\u1eadt: Ch\u1ec9 s\u1ed1 kh\u00e1ng r\u1ed7 (PREN) x\u1ea5p x\u1ec9 c\u1ee7a 201 th\u01b0\u1eddng th\u1ea5p h\u01a1n ho\u1eb7c t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 304, trong khi 316 v\u01b0\u1ee3t tr\u1ed9i nh\u1edd Mo. D\u00f9 PREN g\u1ea7n nhau, 201 nh\u1ea1y c\u1ea3m h\u01a1n v\u1edbi clorua\/m\u00f4i tr\u01b0\u1eddng axit nh\u1eb9 do \u0111\u1eb7c t\u00ednh h\u1ec7 Cr\u2013Mn\u2013N. N\u00ean coi 201 l\u00e0 gi\u1ea3i ph\u00e1p ti\u1ebft ki\u1ec7m cho m\u00f4i tr\u01b0\u1eddng \u201cnh\u1eb9 nh\u00e0ng\u201d trong nh\u00e0.<\/p>\n<p>Ngu\u1ed3n tham kh\u1ea3o: ASTM A240; b\u1ea3ng d\u1eef li\u1ec7u m\u00e1c th\u00e9p c\u1ee7a c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t l\u1edbn nh\u01b0 Outokumpu, ATI; Nickel Institute.<\/p>\n<h2 id=\"toc-1-5-tieu-chi-moi-truong-trong-nha-de-quyet-dinh-co-t\">5 ti\u00eau ch\u00ed m\u00f4i tr\u01b0\u1eddng trong nh\u00e0 \u0111\u1ec3 quy\u1ebft \u0111\u1ecbnh c\u00f3 th\u1ec3 d\u00f9ng inox 201<\/h2>\n<h3>1) \u0110\u1ed9 \u1ea9m v\u00e0 ng\u01b0ng t\u1ee5<\/h3>\n<p>&#8211; N\u1ebfu khu v\u1ef1c kh\u00f4, th\u00f4ng gi\u00f3 t\u1ed1t, \u00edt ng\u01b0ng t\u1ee5 (v\u0103n ph\u00f2ng, ph\u00f2ng kh\u00e1ch, showroom), 201 th\u01b0\u1eddng \u0111\u1ee7 d\u00f9ng.<br \/>\n&#8211; N\u1ebfu th\u01b0\u1eddng xuy\u00ean ng\u01b0ng t\u1ee5 h\u01a1i n\u01b0\u1edbc (g\u1ea7n c\u1eeda s\u1ed5, tr\u1ea7n th\u1ea5p, ph\u00f2ng k\u00edn\/\u0111i\u1ec1u h\u00f2a ch\u00eanh nhi\u1ec7t), nguy c\u01a1 \u1ed1 n\u00e2u (tea staining) t\u0103ng \u2192 c\u00e2n nh\u1eafc 304.<\/p>\n<h3>2) Ti\u1ebfp x\u00fac clorua (mu\u1ed1i) tr\u1ef1c ti\u1ebfp ho\u1eb7c gi\u00e1n ti\u1ebfp<\/h3>\n<p>&#8211; Mu\u1ed1i \u0103n, n\u01b0\u1edbc m\u1eafm, n\u01b0\u1edbc bi\u1ec3n aerosol, b\u1ee5i \u0111\u01b0\u1eddng ven bi\u1ec3n, ho\u1eb7c ch\u1ea5t t\u1ea9y ch\u1ee9a clorua l\u00e0 r\u1ee7i ro l\u1edbn. 201 nh\u1ea1y h\u01a1n 304 v\u1edbi pitting\/r\u1ed7.<br \/>\n&#8211; Trong b\u1ebfp, khu v\u1ef1c b\u00e0n ch\u1ebf bi\u1ebfn, b\u1ed3n r\u1eeda, hay xung quanh m\u00e1y r\u1eeda b\u00e1t c\u00f4ng nghi\u1ec7p: \u01b0u ti\u00ean 304\/316.<\/p>\n<h3>3) H\u00f3a ch\u1ea5t t\u1ea9y r\u1eeda<\/h3>\n<p>&#8211; Javel\/NaOCl, axit HCl\/H2SO4, t\u1ea9y r\u1eeda m\u1ea1nh c\u00f3 th\u1ec3 l\u00e0m \u1ed1 ho\u1eb7c r\u1ed7 nhanh 201 (v\u00e0 c\u1ea3 304). Ch\u1ec9 d\u00f9ng ch\u1ea5t t\u1ea9y trung t\u00ednh (pH ~6\u20138), tr\u00e1ng s\u1ea1ch v\u00e0 lau kh\u00f4.<br \/>\n&#8211; N\u1ebfu quy tr\u00ecnh v\u1ec7 sinh b\u1eaft bu\u1ed9c h\u00f3a ch\u1ea5t m\u1ea1nh (nh\u00e0 b\u1ebfp c\u00f4ng nghi\u1ec7p, b\u1ec7nh vi\u1ec7n, nh\u00e0 m\u00e1y ch\u1ebf bi\u1ebfn): d\u00f9ng 304\/316.<\/p>\n<h3>4) Nhi\u1ec7t \u0111\u1ed9 v\u00e0 lu\u00e2n phi\u00ean \u1ea9m\u2013kh\u00f4<\/h3>\n<p>&#8211; Nhi\u1ec7t \u0111\u1ed9 cao k\u1ebft h\u1ee3p mu\u1ed1i\/axit t\u0103ng t\u1ed1c \u0103n m\u00f2n. Khu v\u1ef1c quanh b\u1ebfp n\u1ea5u, l\u00f2 h\u01a1i, m\u00e1y s\u1ea5y c\u00f3 h\u01a1i n\u01b0\u1edbc\/gi\u1ecdt mu\u1ed1i: tr\u00e1nh 201.<\/p>\n<h3>5) V\u1ecb tr\u00ed \u0111\u1ecba l\u00fd, kho\u1ea3ng c\u00e1ch t\u1edbi bi\u1ec3n<\/h3>\n<p>&#8211; Ven bi\u1ec3n\/\u0111\u1ea3o, ho\u1eb7c n\u01a1i gi\u00f3 bi\u1ec3n th\u1ed5i s\u00e2u v\u00e0o nh\u00e0 (s\u00e1t c\u1eeda bi\u1ec3n, c\u1eeda s\u00f4ng): 201 d\u1ec5 \u1ed1, \u0111\u1eb7c bi\u1ec7t \u1edf khung c\u1eeda, tay v\u1ecbn g\u1ea7n c\u1eeda s\u1ed5 th\u00f4ng gi\u00f3.<br \/>\n&#8211; Khu v\u1ef1c n\u1ed9i \u0111\u1ecba (v\u00ed d\u1ee5 trung t\u00e2m H\u00e0 N\u1ed9i), nh\u00e0 k\u00edn gi\u00f3, \u00edt b\u1ee5i mu\u1ed1i: 201 th\u01b0\u1eddng \u0111\u00e1p \u1ee9ng t\u1ed1t cho m\u1ee5c \u0111\u00edch trang tr\u00ed\/k\u1ebft c\u1ea5u nh\u1eb9.<\/p>\n<h2 id=\"toc-2-ung-dung-nen-dung-va-khong-nen-dung-inox-201-trong\">\u1ee8ng d\u1ee5ng n\u00ean d\u00f9ng v\u00e0 kh\u00f4ng n\u00ean d\u00f9ng inox 201 trong nh\u00e0<\/h2>\n<h3>N\u00ean d\u00f9ng (\u0111i\u1ec1u ki\u1ec7n kh\u00f4, \u00edt clorua, \u00edt h\u00f3a ch\u1ea5t)<\/h3>\n<p>&#8211; Trang tr\u00ed n\u1ed9i th\u1ea5t: n\u1eb9p ch\u1ec9, \u1ed1p ph\u00e0o, v\u00e1ch trang tr\u00ed, khung bi\u1ec3n hi\u1ec7u trong nh\u00e0.<br \/>\n&#8211; Tay v\u1ecbn c\u1ea7u thang, lan can trong nh\u00e0 (xa ngu\u1ed3n \u1ea9m\/kh\u00ed bi\u1ec3n, kh\u00f4ng g\u1ea7n b\u1ec3 b\u01a1i\/nh\u00e0 t\u1eafm).<br \/>\n&#8211; K\u1ec7 tr\u01b0ng b\u00e0y, khung gi\u00e1 kho kh\u00f4, k\u1ec7 v\u0103n ph\u00f2ng, showroom th\u1eddi trang, c\u1eeda h\u00e0ng \u0111i\u1ec7n m\u00e1y.<br \/>\n&#8211; \u1ed0ng trang tr\u00ed, n\u1eb9p c\u1eeda, \u1ed1p c\u1ed9t trong trung t\u00e2m th\u01b0\u01a1ng m\u1ea1i; c\u1eeda thang m\u00e1y (khu kh\u00f4).<br \/>\n&#8211; V\u1ecf t\u1ee7 \u0111i\u1ec7n trong nh\u00e0 kh\u00f4, kh\u00f4ng c\u00f3 h\u01a1i h\u00f3a ch\u1ea5t ho\u1eb7c n\u01b0\u1edbc x\u1ecbt r\u1eeda.<\/p>\n<p>L\u00fd do: 201 cho b\u1ec1 m\u1eb7t s\u00e1ng \u0111\u1eb9p, \u0111\u1ee7 b\u1ec1n c\u01a1 h\u1ecdc, ti\u1ebft ki\u1ec7m \u0111\u00e1ng k\u1ec3 chi ph\u00ed so v\u1edbi 304 trong m\u00f4i tr\u01b0\u1eddng nh\u1eb9.<\/p>\n<h3>Kh\u00f4ng n\u00ean d\u00f9ng (\u1ea9m \u01b0\u1edbt, clorua, h\u00f3a ch\u1ea5t, v\u1ec7 sinh \u00e1p l\u1ef1c cao)<\/h3>\n<p>&#8211; Khu b\u1ebfp gia \u0111\u00ecnh\/nh\u00e0 h\u00e0ng: b\u1ed3n r\u1eeda, b\u00e0n ch\u1eb7t, gi\u00e1 k\u1ec7 g\u1ea7n b\u1ebfp, m\u00e1y r\u1eeda b\u00e1t, khu s\u01a1 ch\u1ebf th\u1ef1c ph\u1ea9m m\u1eb7n\/chua \u2192 ch\u1ecdn 304; khu r\u1eeda clorua cao, t\u1ea9y r\u1eeda m\u1ea1nh \u2192 c\u00e2n nh\u1eafc 316.<br \/>\n&#8211; Nh\u00e0 t\u1eafm, ph\u00f2ng x\u00f4ng h\u01a1i, khu v\u1ef1c quanh b\u1ec3 b\u01a1i trong nh\u00e0; h\u1ea7m \u0111\u1ec3 xe \u1ea9m, c\u00f3 s\u01b0\u01a1ng mu\u1ed1i m\u00f9a \u0111\u00f4ng \u2192 304\/316.<br \/>\n&#8211; Nh\u00e0 m\u00e1y th\u1ef1c ph\u1ea9m, d\u01b0\u1ee3c, b\u1ec7nh vi\u1ec7n: khu v\u1ec7 sinh h\u00f3a ch\u1ea5t \u0111\u1ecbnh k\u1ef3, CIP, phun r\u1eeda \u00e1p l\u1ef1c \u2192 304\/316.<br \/>\n&#8211; C\u00f4ng tr\u00ecnh ven bi\u1ec3n\/\u0111\u1ea3o ho\u1eb7c t\u00f2a nh\u00e0 m\u1edf tho\u00e1ng \u0111\u00f3n gi\u00f3 bi\u1ec3n \u2192 304, v\u00f9ng s\u01b0\u01a1ng mu\u1ed1i n\u1eb7ng \u2192 316.<\/p>\n<h2 id=\"toc-3-so-sanh-chi-phi-vong-doi-201-vs-304-vs-430-trong-n\">So s\u00e1nh chi ph\u00ed v\u00f2ng \u0111\u1eddi: 201 vs 304 vs 430 (trong nh\u00e0)<\/h2>\n<p>&#8211; Chi ph\u00ed ban \u0111\u1ea7u: 201 th\u01b0\u1eddng r\u1ebb h\u01a1n 304 kho\u1ea3ng 10\u201325% (t\u00f9y th\u1eddi \u0111i\u1ec3m th\u1ecb tr\u01b0\u1eddng Ni\/Mn v\u00e0 ti\u00eau chu\u1ea9n b\u1ec1 m\u1eb7t). 430 r\u1ebb h\u01a1n n\u1eefa nh\u01b0ng r\u1ee7i ro r\u1ec9 trong \u1ea9m cao.<br \/>\n&#8211; Chi ph\u00ed v\u1eadn h\u00e0nh\/b\u1ea3o tr\u00ec: N\u1ebfu m\u00f4i tr\u01b0\u1eddng c\u00f3 nguy c\u01a1 \u1ea9m\u2013mu\u1ed1i\/ho\u00e1 ch\u1ea5t, 201 c\u00f3 th\u1ec3 \u1ed1\/r\u1ed7 s\u1edbm \u2192 ph\u1ea3i \u0111\u00e1nh b\u00f3ng t\u1ea9y \u1ed1, s\u01a1n ph\u1ee7 ho\u1eb7c thay th\u1ebf, l\u00e0m t\u0103ng chi ph\u00ed v\u00f2ng \u0111\u1eddi. 304 \u1ed5n \u0111\u1ecbnh h\u01a1n, \u00edt b\u1ea3o tr\u00ec.<br \/>\n&#8211; Kinh nghi\u1ec7m th\u1ef1c t\u1ebf:<br \/>\n  &#8211; Kh\u00f4ng gian v\u0103n ph\u00f2ng, showroom \u1edf n\u1ed9i \u0111\u00f4 (kh\u00f4): 201 ti\u1ebft ki\u1ec7m b\u1ec1n v\u1eefng.<br \/>\n  &#8211; Khu b\u1ebfp\/canteen tr\u01b0\u1eddng h\u1ecdc: ti\u1ebft ki\u1ec7m ban \u0111\u1ea7u b\u1eb1ng 201 th\u01b0\u1eddng \u201cl\u1ed7\u201d sau 1\u20132 n\u0103m v\u00ec \u1ed1\/r\u1ed7, ph\u1ea3i thay b\u1eb1ng 304.<\/p>\n<p>K\u1ebft lu\u1eadn chi ph\u00ed: Ch\u1ec9 ch\u1ecdn 201 khi c\u00e1c ti\u00eau ch\u00ed m\u00f4i tr\u01b0\u1eddng \u201cxanh\u201d (kh\u00f4, \u00edt clorua, t\u1ea9y r\u1eeda nh\u1eb9) \u0111\u01b0\u1ee3c \u0111\u00e1p \u1ee9ng. Ng\u01b0\u1ee3c l\u1ea1i, ch\u1ecdn 304\/316 ngay t\u1eeb \u0111\u1ea7u \u0111\u1ec3 ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00f2ng \u0111\u1eddi.<\/p>\n<h2 id=\"toc-4-chon-vat-lieu-va-thi-cong-de-inox-201-ben-hon\">Ch\u1ecdn v\u1eadt li\u1ec7u v\u00e0 thi c\u00f4ng \u0111\u1ec3 inox 201 b\u1ec1n h\u01a1n<\/h2>\n<h3>1) B\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n<\/h3>\n<p>&#8211; B\u1ec1 m\u1eb7t m\u1ecbn (BA\/2B) ch\u1ed1ng b\u00e1m b\u1ea9n t\u1ed1t h\u01a1n b\u1ec1 m\u1eb7t x\u01b0\u1edbc s\u00e2u. N\u1ebfu ch\u1ecdn No.4\/Hairline \u0111\u1ec3 \u0111\u1eb9p, c\u1ea7n v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 tr\u00e1nh \u0111\u1ecdng mu\u1ed1i\u2013b\u1ee5i.<br \/>\n&#8211; Tr\u00e1nh bavia, x\u01b0\u1edbc s\u00e2u sau gia c\u00f4ng; \u0111\u00e1nh b\u00f3ng v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a (passivation) gi\u00fap t\u0103ng \u0111\u1ed9 b\u1ec1n m\u00e0ng th\u1ee5 \u0111\u1ed9ng.<\/p>\n<h3>2) \u0110\u1ed9 d\u00e0y v\u00e0 thi\u1ebft k\u1ebf<\/h3>\n<p>&#8211; D\u00f9ng \u0111\u1ed9 d\u00e0y \u201c\u0111\u1ee7 c\u1ee9ng\u201d \u0111\u1ec3 h\u1ea1n ch\u1ebf bi\u1ebfn d\u1ea1ng\/c\u0103ng k\u00e9o, v\u00ec bi\u1ebfn d\u1ea1ng ngu\u1ed9i l\u00e0m t\u0103ng nh\u1ea1y c\u1ea3m \u0103n m\u00f2n v\u00e0 t\u1eeb t\u00ednh.<br \/>\n&#8211; Thi\u1ebft k\u1ebf tho\u00e1t n\u01b0\u1edbc t\u1ed1t, tr\u00e1nh khe k\u1ebd b\u1eaby n\u01b0\u1edbc; bo tr\u00f2n g\u00f3c s\u1eafc; h\u1ea1n ch\u1ebf li\u00ean k\u1ebft k\u1ebd h\u1edf.<\/p>\n<h3>3) H\u00e0n v\u00e0 v\u1eadt li\u1ec7u h\u00e0n<\/h3>\n<p>&#8211; 201 h\u00e0n \u0111\u01b0\u1ee3c b\u1eb1ng TIG\/MIG\/que; d\u00f9ng kh\u00ed b\u1ea3o v\u1ec7 s\u1ea1ch, ki\u1ec3m so\u00e1t nhi\u1ec7t v\u00e0o. Que\/filler 308L th\u01b0\u1eddng \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb khi h\u00e0n 201 v\u1edbi 201\/304 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kim lo\u1ea1i m\u1ed1i h\u00e0n b\u1ec1n \u0103n m\u00f2n.<br \/>\n&#8211; Sau h\u00e0n: t\u1ea9y m\u1ed1i h\u00e0n (pickling) v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a, v\u1ec7 sinh s\u1ea1ch x\u1ec9\/oxit \u0111\u1ec3 kh\u00f4i ph\u1ee5c l\u1edbp th\u1ee5 \u0111\u1ed9ng.<\/p>\n<h3>4) B\u1ea3o tr\u00ec<\/h3>\n<p>&#8211; L\u00e0m s\u1ea1ch \u0111\u1ecbnh k\u1ef3 b\u1eb1ng dung d\u1ecbch trung t\u00ednh pH 6\u20138, kh\u0103n m\u1ec1m; tr\u00e1ng n\u01b0\u1edbc s\u1ea1ch v\u00e0 lau kh\u00f4.<br \/>\n&#8211; Tr\u00e1nh ho\u00e0n to\u00e0n: Javel\/NaOCl, HCl, ch\u1ea5t t\u1ea9y c\u00f3 clorua m\u1ea1nh. Kh\u00f4ng d\u00f9ng b\u00fai s\u1eaft carbon; n\u1ebfu l\u00e2y nhi\u1ec5m s\u1eaft, ph\u1ea3i t\u1ea9y\u2013passivation.<br \/>\n&#8211; Trong m\u00f9a n\u1ed3m \u1ea9m (mi\u1ec1n B\u1eafc), t\u0103ng t\u1ea7n su\u1ea5t lau kh\u00f4 \u1edf khu v\u1ef1c ng\u01b0ng t\u1ee5.<\/p>\n<h2 id=\"toc-5-quy-trinh-ra-quyet-dinh-nhanh-co-nen-dung-inox-201\">Quy tr\u00ecnh ra quy\u1ebft \u0111\u1ecbnh nhanh: C\u00f3 n\u00ean d\u00f9ng inox 201 trong nh\u00e0?<\/h2>\n<p>&#8211; B\u01b0\u1edbc 1: Kh\u00f4ng gian c\u00f3 th\u01b0\u1eddng xuy\u00ean ti\u1ebfp x\u00fac n\u01b0\u1edbc, mu\u1ed1i, \u0111\u1ed3 chua, t\u1ea9y r\u1eeda m\u1ea1nh? C\u00f3 \u2192 304\/316. Kh\u00f4ng \u2192 B\u01b0\u1edbc 2.<br \/>\n&#8211; B\u01b0\u1edbc 2: Nh\u00e0 ven bi\u1ec3n\/\u0111\u1ea3o, gi\u00f3 bi\u1ec3n c\u00f3 th\u1ec3 th\u1ed5i v\u00e0o? C\u00f3 \u2192 304 (n\u1eb7ng \u2192 316). Kh\u00f4ng \u2192 B\u01b0\u1edbc 3.<br \/>\n&#8211; B\u01b0\u1edbc 3: C\u00f3 ng\u01b0ng t\u1ee5\/h\u01a1i \u1ea9m cao quanh n\u0103m (nh\u00e0 t\u1eafm, b\u1ec3 b\u01a1i, h\u1ea7m \u1ea9m)? C\u00f3 \u2192 304. Kh\u00f4ng \u2192 B\u01b0\u1edbc 4.<br \/>\n&#8211; B\u01b0\u1edbc 4: Y\u00eau c\u1ea7u v\u1ec7 sinh c\u00f4ng nghi\u1ec7p\/phun r\u1eeda \u00e1p l\u1ef1c? C\u00f3 \u2192 304\/316. Kh\u00f4ng \u2192 B\u01b0\u1edbc 5.<br \/>\n&#8211; B\u01b0\u1edbc 5: M\u1ee5c \u0111\u00edch ch\u1ee7 y\u1ebfu trang tr\u00ed\/k\u1ebft c\u1ea5u nh\u1eb9, trong ph\u00f2ng kh\u00f4, th\u00f4ng gi\u00f3 t\u1ed1t? C\u00f3 \u2192 201 \u0111\u1ee7 d\u00f9ng, ti\u1ebft ki\u1ec7m chi ph\u00ed.<\/p>\n<h2 id=\"toc-6-tinh-huong-tham-khao-thuc-te-viet-nam\">T\u00ecnh hu\u1ed1ng tham kh\u1ea3o (th\u1ef1c t\u1ebf Vi\u1ec7t Nam)<\/h2>\n<p>&#8211; Showroom n\u1ed9i th\u1ea5t t\u1ea1i H\u00e0 N\u1ed9i (\u0111i\u1ec1u h\u00f2a, kh\u00f4): \u1ed0p trang tr\u00ed, tay v\u1ecbn trong nh\u00e0 \u2192 201.<br \/>\n&#8211; V\u0103n ph\u00f2ng, trung t\u00e2m th\u01b0\u01a1ng m\u1ea1i: N\u1eb9p ch\u1ec9, \u1ed1p thang m\u00e1y khu kh\u00f4 \u2192 201; khu v\u1ec7 sinh \u2192 304.<br \/>\n&#8211; Canteen\/tr\u01b0\u1eddng h\u1ecdc, b\u1ebfp nh\u00e0 h\u00e0ng: B\u00e0n, gi\u00e1, b\u1ed3n r\u1eeda \u2192 304; khu pha Cloramin\/Javel \u2192 316 n\u1ebfu n\u1eb7ng.<br \/>\n&#8211; Chung c\u01b0 ven bi\u1ec3n\/\u0111\u1ea3o: Tay v\u1ecbn trong nh\u00e0 g\u1ea7n c\u1eeda th\u00f4ng gi\u00f3 bi\u1ec3n \u2192 304\/316; 201 d\u1ec5 \u1ed1.<\/p>\n<h2 id=\"toc-7-cau-hoi-thuong-gap\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<p>&#8211; Inox 201 c\u00f3 \u201cfood-grade\u201d kh\u00f4ng? \u201cFood-grade\u201d ph\u1ee5 thu\u1ed9c ti\u00eau chu\u1ea9n \u1ee9ng d\u1ee5ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n trong m\u00f4i tr\u01b0\u1eddng th\u1ef1c ph\u1ea9m. Th\u1ef1c t\u1ebf ng\u00e0nh th\u01b0\u1eddng ch\u1ecdn 304\/316 cho ti\u1ebfp x\u00fac th\u1ef1c ph\u1ea9m v\u00ec an to\u00e0n \u0103n m\u00f2n cao h\u01a1n. 201 c\u00f3 th\u1ec3 d\u00f9ng cho ph\u1ee5 ki\u1ec7n kh\u00f4ng ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp th\u1ef1c ph\u1ea9m trong khu kh\u00f4.<br \/>\n&#8211; C\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t 201\u2013304 b\u1eb1ng nam ch\u00e2m? Kh\u00f4ng \u0111\u00e1ng tin. 201 sau c\u00e1n ngu\u1ed9i c\u00f3 th\u1ec3 h\u01a1i h\u00fat, 304 c\u0169ng c\u00f3 th\u1ec3 h\u00fat nh\u1eb9 \u1edf m\u00e9p c\u1eaft. Ki\u1ec3m tra \u0111\u00e1ng tin: ph\u00e2n t\u00edch th\u00e0nh ph\u1ea7n, th\u1eed Ni, ho\u1eb7c ch\u1ee9ng ch\u1ec9 m\u00e1c v\u1eadt li\u1ec7u.<br \/>\n&#8211; 201 hay 430 cho n\u1ed9i th\u1ea5t kh\u00f4? 201 b\u1ec1n \u0103n m\u00f2n t\u1ed1t h\u01a1n 430, \u00edt r\u1ec9 h\u01a1n trong \u1ea9m nh\u1eb9; n\u1ebfu ch\u00eanh l\u1ec7ch chi ph\u00ed kh\u00f4ng l\u1edbn, 201 l\u00e0 l\u1ef1a ch\u1ecdn c\u00e2n b\u1eb1ng.<\/p>\n<h2 id=\"toc-8-nguon-tham-khao\">Ngu\u1ed3n tham kh\u1ea3o<\/h2>\n<p>&#8211; ASTM A240\/A240M \u2013 Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip: https:\/\/www.astm.org\/a0240_a0240m-20.html<br \/>\n&#8211; Outokumpu \u2013 Stainless steel grades (bao g\u1ed3m d\u1eef li\u1ec7u 201\/304\/316): https:\/\/www.outokumpu.com\/en\/stainless-steel\/grades<br \/>\n&#8211; ATI (Allegheny Technologies) \u2013 Stainless 201 Alloy Data: https:\/\/www.atimetals.com<br \/>\n&#8211; Nickel Institute \u2013 Guidelines on selection and use of stainless steels: https:\/\/nickelinstitute.org<br \/>\n&#8211; ASSDA \u2013 Tea staining: causes, prevention and remedies: https:\/\/www.assda.asn.au\/technical-info\/teastaining<br \/>\n&#8211; worldstainless (ISSF) \u2013 Resources for stainless in architecture\/building: https:\/\/www.worldstainless.org<\/p>\n<h2 id=\"toc-9-ket-luan\">K\u1ebft lu\u1eadn<\/h2>\n<p>B\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng inox 201 trong nh\u00e0 \u0111\u1ec3 ti\u1ebft ki\u1ec7m khi v\u00e0 ch\u1ec9 khi m\u00f4i tr\u01b0\u1eddng kh\u00f4, s\u1ea1ch, \u00edt\/nghi\u00eam c\u1ea5m clorua v\u00e0 h\u00f3a ch\u1ea5t m\u1ea1nh, kh\u00f4ng c\u00f3 ng\u01b0ng t\u1ee5 th\u01b0\u1eddng xuy\u00ean. C\u00e1c \u1ee9ng d\u1ee5ng trang tr\u00ed, tay v\u1ecbn trong nh\u00e0 kh\u00f4, k\u1ec7 tr\u01b0ng b\u00e0y, v\u1ecf t\u1ee7 \u0111i\u1ec7n trong m\u00f4i tr\u01b0\u1eddng \u201cnh\u1eb9\u201d l\u00e0 ph\u00f9 h\u1ee3p. Ng\u01b0\u1ee3c l\u1ea1i, khu b\u1ebfp, nh\u00e0 t\u1eafm, b\u1ec3 b\u01a1i, c\u00f4ng tr\u00ecnh ven bi\u1ec3n ho\u1eb7c c\u00f3 quy tr\u00ecnh t\u1ea9y r\u1eeda m\u1ea1nh c\u1ea7n 304\/316 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n v\u00e0 chi ph\u00ed v\u00f2ng \u0111\u1eddi th\u1ea5p h\u01a1n. N\u1ebfu c\u00f2n ph\u00e2n v\u00e2n, h\u00e3y \u01b0u ti\u00ean ti\u00eau ch\u00ed m\u00f4i tr\u01b0\u1eddng tr\u01b0\u1edbc gi\u00e1 th\u00e0nh: ch\u1ecdn \u0111\u00fang ngay t\u1eeb \u0111\u1ea7u lu\u00f4n r\u1ebb h\u01a1n trong su\u1ed1t v\u00f2ng \u0111\u1eddi c\u00f4ng tr\u00ecnh.<\/p>\n<p>C\u1ea7n t\u01b0 v\u1ea5n m\u00e1c th\u00e9p, b\u1ec1 m\u1eb7t v\u00e0 quy c\u00e1ch t\u1ed1i \u01b0u cho d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n? Li\u00ean h\u1ec7 Inox Cuong Thinh \u0111\u1ec3 \u0111\u01b0\u1ee3c k\u1ef9 s\u01b0 v\u1eadt li\u1ec7u h\u1ed7 tr\u1ee3 v\u00e0 b\u00e1o gi\u00e1 t\u1ed1t nh\u1ea5t.<br \/>\nHotline: 0343.417.281<br \/>\nEmail: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u01b0\u1edbng d\u1eabn ch\u1ecdn inox 201 cho kh\u00f4ng gian trong nh\u00e0: ti\u00eau ch\u00ed m\u00f4i tr\u01b0\u1eddng, \u1ee9ng d\u1ee5ng n\u00ean\/tr\u00e1nh, so s\u00e1nh 304\/430 v\u00e0 m\u1eb9o thi c\u00f4ng\u2013b\u1ea3o tr\u00ec \u0111\u1ec3 t\u1ed1i \u01b0u chi ph\u00ed.<\/p>\n","protected":false},"author":7,"featured_media":1024,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1601","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"acf":[],"_links":{"self":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1601","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/comments?post=1601"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1601\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1024"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1601"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1601"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1601"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}